// 抢票的代码就可以更新成为
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pthread.h>
#include "Lock.hpp"
#include "func.hpp"

using namespace LockModule;
int ticket = 1000;

Mutex mutex;
void *route(void *arg)
{
    char *id = (char *)arg;
    while (1)
    {
        LockGuard lockguard(mutex); // 使⽤RAII⻛格的锁
        if (ticket > 0)
        {
            usleep(1000);
            printf("%s sells ticket:%d\n", id, ticket);
            ticket--;
        }
        else
        {
            break;
        }
    }
    return nullptr;
}
int main(void)
{
    Task tast;
    pthread_t t1, t2, t3, t4, t5;
    pthread_create(&t1, NULL, route, (void *)"thread 1");
    pthread_create(&t2, NULL, route, (void *)"thread 2");
    pthread_create(&t3, NULL, route, (void *)"thread 3");
    pthread_create(&t4, NULL, route, (void *)"thread 4");
    pthread_join(t1, NULL);
    pthread_join(t2, NULL);
    pthread_join(t3, NULL);
    pthread_join(t4, NULL);
}

// // 操作共享变量会有问题的售票系统代码
// #include <stdio.h>
// #include <stdlib.h>
// #include <string.h>
// #include <unistd.h>
// #include <pthread.h>

// int ticket = 100; // 买一百张票
// //pthread_mutex_t mutex;
// pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;

// void *route(void *arg)
// {
//     char *id = (char *)arg;
//     while (1)
//     {
//         pthread_mutex_lock(&mutex);
//         if (ticket > 0)
//         {
//             usleep(1000);
//             printf("%s sells ticket:%d\n", id, ticket);
//             ticket--; // 最终会导致几人共同强一张票
//             pthread_mutex_unlock(&mutex);
//         }
//         else
//         {
//             pthread_mutex_unlock(&mutex);
//             break;
//         }
//     }
// }

// int main(void)
// {
//     pthread_t t1, t2, t3, t4; // 四个共同抢票

//     pthread_create(&t1, NULL, route, "thread 1");
//     pthread_create(&t2, NULL, route, "thread 2");
//     pthread_create(&t3, NULL, route, "thread 3");
//     pthread_create(&t4, NULL, route, "thread 4");

//     pthread_join(t1, NULL);
//     pthread_join(t2, NULL);
//     pthread_join(t3, NULL);
//     pthread_join(t4, NULL);
//     pthread_mutex_destroy(&mutex);
// }